<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <h2>模块字符串</h2>
</body>
<script>
    let str="hello"
    let str2="中国"
    let str3=`${str},${str2},
              我为你自豪，
              hahahhahaa
              `
    console.log(str3)
</script>
</html>